20867110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{189701}}^1$

素因数の和:189719

約数の個数: 16

約数和(自身を含む): 40975632

約数和(自身を除く): 20108522

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 189701, 379402, 948505, 1897010, 2086711, 4173422, 10433555, 20867110]

約数ペア:

[(1, 20867110), (2, 10433555), (5, 4173422), (10, 2086711), (11, 1897010), (22, 948505), (55, 379402), (110, 189701)]